EP2462675A1 - Power management system - Google Patents
Power management systemInfo
- Publication number
- EP2462675A1 EP2462675A1 EP11819584A EP11819584A EP2462675A1 EP 2462675 A1 EP2462675 A1 EP 2462675A1 EP 11819584 A EP11819584 A EP 11819584A EP 11819584 A EP11819584 A EP 11819584A EP 2462675 A1 EP2462675 A1 EP 2462675A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- storage battery
- data
- charge
- power
- power management
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
Definitions
- Master controller 32 transmits data including the same contents as those of power converter management data S4, which is received from power converter manager 34, at the same transmission period to storage battery power management apparatus 42 through master controller 32 as power converter management data S7.
- Sub-controller 38 transmits data including the same contents as those of unit state data S3 transmitted to master controller 32, at a predetermined transmission period to storage battery power management apparatus 42 as unit state data S6 for storage battery power management apparatus 42.
- the predetermined transmission period is described specifically. If unit state data S3 is transmitted every one second, unit state data S6 is configured to be transmitted every 10 seconds. In such a case, unit state data S6 includes information of ten sets of unit state data S3. The transmission period may be of course another period. The transmission period of unit state data S3 may be the same as that of unit state data S6.
- Each of sub-controllers 38 determines the state of corresponding storage battery unit 54 constituting storage battery assembly 50. In the presence of a fault, sub-controller 38 transmits a control instruction such as an instruction to disconnect faulty storage battery unit 54 from power converter 36 to corresponding switch board 40 according to the fault. Sub-controller 38 then transmits information indicating the fault of storage battery unit 54 to master controller 32 and storage battery power management apparatus 42 as unit state data S3 and S6.
- storage battery unit 54 is disconnected from power converter 36 according to the fault. However, a part of storage battery unit 54 may be disconnected.
- the part of storage battery unit 54 can be an entire line of storage battery packs 56 connected in series to a current detector 60.
- each of the 13 rows of storage battery pack 56 which are connected in series is detected as cell voltage by voltage detector 62.
- the temperature of storage battery pack 56 is detected by temperature detector 64 as a pack temperature.
- Such data is pack state data representing the state of each storage battery pack 56.
- the current of each storage battery pack row of each storage battery unit 54 is detected by current detector 60 as pack row current data.
- each storage battery pack 56 is provided with multiple temperature detectors 64. In such a case, the storage battery pack 56 is determined to be abnormal if one of the temperature detectors 64 detects abnormal local temperature in the storage battery pack 56.
- storage battery assembly 50 is controlled through one overall charge-discharge control instruction even if storage battery assembly 50 of large scale is provided according to solar power generation system 14 of large scale.
- the charge and discharge of storage battery assembly 50 can be easily controlled according to the power requirement of load 18.
- step S58 When the unit group number is incremented by 1, it is determined whether the unit group number is the maximum (S58). In the current case, the unit group number is now 2, and the determination at step S58 is negative. The procedure proceeds to step S66. At step S66, the electric battery unit managed by current substitute controller 138 is connected again. In the example of FIG. 7, current substitute controller 138 is G1-U1. Accordingly, electric battery unit G1-U1 disconnected at step S46 returns to be connected to power converter (G1).
- assembly charge-discharge control instruction S5 to eighth power converter 36 is "charge at 40 kW for 1800 sec" which is the same as the instruction to other power converters 36.
- seven power converters 36 five storage battery units 54 of each power converter 36 are not faulty, and each storage battery unit 54 covers a charge of 8 kW for 1800 sec.
- the data can be deleted in ascending order of predetermined data importance when the amount of data not transmitted to power management apparatus 17 exceeds the limit of data storage capacity 120.
- the order of data importance can be an order of pack voltage, pack line current, battery temperature, or cell voltage.
- the sets can be narrowed down to only a representative set.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010186226 | 2010-08-23 | ||
JP2011067379 | 2011-03-25 | ||
PCT/JP2011/004667 WO2012026108A1 (en) | 2010-08-23 | 2011-08-23 | Power management system |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2462675A1 true EP2462675A1 (en) | 2012-06-13 |
Family
ID=45723130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11819584A Withdrawn EP2462675A1 (en) | 2010-08-23 | 2011-08-23 | Power management system |
Country Status (6)
Country | Link |
---|---|
US (1) | US8836285B2 (zh) |
EP (1) | EP2462675A1 (zh) |
JP (2) | JP5842179B2 (zh) |
KR (1) | KR101313979B1 (zh) |
CN (1) | CN102549871A (zh) |
WO (1) | WO2012026108A1 (zh) |
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CN104205561B (zh) * | 2012-03-22 | 2016-11-09 | 三菱电机株式会社 | 蓄电装置 |
JP2013208043A (ja) * | 2012-03-29 | 2013-10-07 | Toshiba Corp | 電力系統監視装置 |
JP5959289B2 (ja) * | 2012-04-23 | 2016-08-02 | 株式会社東芝 | 蓄電池システム |
JP5983026B2 (ja) * | 2012-05-22 | 2016-08-31 | ソニー株式会社 | 制御システム |
KR20140023125A (ko) | 2012-08-17 | 2014-02-26 | 엘지전자 주식회사 | 에너지 저장장치, 전력 관리 장치, 이동 단말기 및 그 동작방법 |
KR101822824B1 (ko) * | 2012-09-21 | 2018-01-29 | 한국전력공사 | 전력저장시스템의 충방전 분배장치 및 그 방법 |
KR101425394B1 (ko) * | 2012-11-27 | 2014-08-01 | (주)에스엔디파워닉스 | 축전지 진단 또는 재생 기능을 가진 전력 변환 시스템 |
JP5954144B2 (ja) * | 2012-11-30 | 2016-07-20 | ソニー株式会社 | 制御装置、制御方法、制御システムおよび電動車両 |
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-
2011
- 2011-08-23 EP EP11819584A patent/EP2462675A1/en not_active Withdrawn
- 2011-08-23 JP JP2012513120A patent/JP5842179B2/ja not_active Expired - Fee Related
- 2011-08-23 WO PCT/JP2011/004667 patent/WO2012026108A1/en active Application Filing
- 2011-08-23 KR KR1020127007416A patent/KR101313979B1/ko active IP Right Grant
- 2011-08-23 CN CN2011800039557A patent/CN102549871A/zh active Pending
-
2012
- 2012-03-09 US US13/416,847 patent/US8836285B2/en not_active Expired - Fee Related
-
2015
- 2015-03-24 JP JP2015060362A patent/JP5948595B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
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See references of WO2012026108A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2012026108A1 (en) | 2012-03-01 |
JP5842179B2 (ja) | 2016-01-13 |
US8836285B2 (en) | 2014-09-16 |
CN102549871A (zh) | 2012-07-04 |
KR20120063492A (ko) | 2012-06-15 |
JP5948595B2 (ja) | 2016-07-06 |
JP2013541309A (ja) | 2013-11-07 |
US20120212183A1 (en) | 2012-08-23 |
JP2015144563A (ja) | 2015-08-06 |
KR101313979B1 (ko) | 2013-10-01 |
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